n | a(n) |
---|---|
2 | 1 |
3 | 9 |
4 | 24 |
5 | 66 |
6 | 168 |
7 | 437 |
8 | 1051 |
9 | 2614 |
10 | 6454 |
11 | 15927 |
12 | 40071 |
13 | 100346 |
14 | 251706 |
15 | 637197 |
16 | 1617172 |
17 | 4124436 |
18 | 10553399 |
19 | 27066969 |
20 | 69709679 |
21 | 179992838 |
22 | 465769802 |
23 | 1208198523 |
24 | 3140421715 |
25 | 8179002095 |
26 | 21338685402 |
27 | 55762149023 |
28 | 145935689357 |
29 | 382465573481 |
30 | 1003652347080 |
31 | 2636913002890 |
32 | 6935812012540 |
[1,9,24,66,168,437,1051,2614,6454,15927,40071, 100346,251706,637197,1617172,4124436,10553399, 27066969,69709679,179992838,465769802,1208198523, 3140421715,8179002095,21338685402,55762149023, 145935689357,382465573481,1003652347080, 2636913002890,6935812012540] |